If you do any diving anywhere, you will see sponges everywhere. Some of them are more colorful than corals, and some of them you can sit in. All sponges are water pumps and filters, which makes them u…

On one of my earliest dives down in the Florida Keys back in the 1990s, a gorgeous yellow and black angelfish caught my attention as I drifted over a section of reef. In my mind’s eye, I envision the …

A newly published article documenting the discovery of a tiny fossil from Southern China is helping to expand our understanding of the very earliest stages of the evolution of multicellular animal lif…

Chondrocladia lyra is a highly unusual and very specialized sponge living in the deep sea which completely redefines what we think a sponge should be. Also known as the harp sponge due to its very sim…